IFR Chart Symbols

1 42 IFR AERONAUTICAL Chart Symbols IFR Enroute Low/High Altitude ( & Alaska Charts)AIRPORTS .. 43 RADIO AIDS TO NAVIGATION .. 44 airspace INFORMATION .. 45 NAVIGATIONAL AND PROCEDURAL INFORMATION .. 48 CULTURE .. 49 HYDROGRAPHY .. 49 TOPOGRAPHY .. 49 Oceanic Route ChartsNorth Atlantic and North Pacific Route ChartsAIRPORTS .. 50 RADIO AIDS TO NAVIGATION .. 50 airspace INFORMATION .. 50 NAVIGATIONAL AND PROCEDURAL INFORMATION .. 51 CULTURAL BOUNDARIES .. 51 HYDROGRAPHY .. 51 GENERAL INFORMATIONS ymbols shown are for the Instrument Flight Rules (IFR) Enroute Low and High Altitude Charts. 43 IFR ENROUTE LOW/HIGH ALTITUDE & ALASKA CHARTS AIRPORTS AIRPORT DATAIFR ENROUTE LOW/HIGH ALTITUDE CHARTSAERONAUTICAL INFORMATIONAIRPORT DATA DEPICTIONLOW/HIGH ALTITUDEA irports/Seaplane bases shown in BLUE and GREEN have an approved Instrument Approach Procedure published. Those in BLUE have an approved DoD Instrument Approach Procedure and/or DoD RADAR MINIMA published in DoD FLIPS or FAA TPP.

2 Airports/Seaplane bases shown in BROWN do not have a published Instrument Approach IAP Airports are shown on the Low Altituide Airports shown on the Low Altitude Charts have a minimum hard surface runway of 3000'.Non-IAP Airports shown on the Alaska Low Altitude Charts have a minimum hard or soft surface runway of 3000'.Airports shown on the High Altitude Charts have a minimum hard surface runway of 5000'.Airports shown on the Alaska High Altitude Charts have a minimum hard or soft surface runway of 4000'.Associated city names for public airports are shown above or preceding the airport name. If airport name and city name are the same, only the airport name is shown. City names for military and private airports are not airport identifier in parentheses follows the airport name or symbol may be offset for enroute navigational - Private UseMARTINSBURGE astern WV Rgnl (MRB)Longest runway length to nearest 100 feet with 70 feet as the dividing point (add 00)s indicates soft surfacePart-time or established by NOTAM.

3 See A/G tabulation for times of Alaska see Supplement AlaskaAirport NameAssociated City Name1. Airport elevation given in feet above or below mean sea Pvt - Private use, not available to general A solid line box enclosing the airport name indicates FAR 93 Special Requirements- see Directory/Supplement4. "NO SVFR" above the airport name indicates FAR 91 fixed-wing special VFR flight is prohibited5. following the airport name indicates Class C or Class D There is no A/G tabulation on Alaska Low Altitude Airport symbol may be offset for enroute navigational Associated city names for public airports are shown above or preceding the airport name. If airport name and city name are the same, only the airport name is shown. The airport identifier in parentheses follows the airport name. City names for military and private airports are not ALTITUDE - & ALASKAA irportIdentifierJoe Foss Fld (FSD)SIO UX C ITYA irport NameAssocia ted City NameHIGH ALTITU DE - U.

4 G Pitka Sr (G AL)GALENA1572sLongest runway length to nearest 100 feet with 70 feet as the dividing point (a dd 0 0 )s indica tes soft Airport NameAssocia ted City NameAirportElevationHIGH ALTITU DE - ALASK AAirportIdentifier CIVILCIVIL AND MILITARYMILITARYSEAPLANE - CIVILHELIPORT AIRPORTS IFR ENROUTE LOW/HIGH ALTITUDE & ALASKA CHARTS44 RADIO AIDS TO NAVIGATION VHF OMNIDIRECTIONAL RADIO RANGE (VOR)DISTANCE MEASURING EQUIPMENT (DME)TACTICAL AIR NAVIGATION (TACAN)NON-DIRECTIONAL RADIO BEACON (NDB)MARINE RADIO BEACON (RBN)COMPASS LOCATOR BEACONILS LOCALIZERVOR/DME RNAVWAYPOINT DATARNAVWAYPOINT NAVIGATION and COMMUNICATION BOXES RADIO AIDS TO NAVIGATION 45 IFR ENROUTE LOW/HIGH ALTITUDE & ALASKA CHARTS airspace INFORMATION LOW ALTITUDE AIRWAYSHIGH ALTITUDE ROUTESSINGLE DIRECTION ROUTESDIRECTION OF FLIGHT INDICATORSUBSTITUTE ROUTEUNUSABLE ROUTEBY-PASS ROUTEAIRWAY RESTRICTIONV4J4 VHF / UHF Data is depited in BlackLF / MF Data is depicted in BrownRNAV Route data is depicted in BlueT000 Low Altitude RNAV RouteGNSS RequiredVOR Airway /Jet RouteLF /MF AirwayUncontrolled LF MFAirwayOceanic RouteATS RouteLOW/HIGH ALTITUDEHIGH ALTITUDERNAV RouteMagneticReferenceBearingMEA - 23000GQ7300 Waypoint154 MEA - 23000GJ12 MEA - 27000300Q7 Joint Jet/RNAV RouteV 1931000-0600ZQ111300-0600 ZOther times routes revert to bi-directionalV4 MILITARY TRAINING ROUTES (MTR)FIXES/ATC REPORT-ING REQUIREMENTSTACTICAL AIR NAVIGATION (TACAN)

5 FIX - ALASKARADIALS ANDBEARINGS All radials and bearings are magnetic FACILITYLOCATORSMILEAGES All Mileages are Nautical (NM) DISTANCE MEASURING EQUIPMENT (DME) FIX airspace INFORMATIONLOW/HIGH ALTITUDEFix-Compulsory Position ReportCoordinates are shown for compulsory, offshore and holding fixesFix-Non-Compulsory Position ReportOff-set arrows indicate facility forming a fix (airway away from VHF/UHF, toward LF/MF NAVAID)RNAV Waypoint Compulsory ReportRNAV Waypoint Non-Compulsory Report(RCRCP)Mileage Breakdown or Computer Navigation Fix (CNF)(no ATC function)Five-letter identifier in parenthesis indicates CNF with no ATC functionTotal Mileage between Compulsory Reporting Points and/or NAVAIDsMileage between other Fixes, NAVAIDs and/or Mileage Breakdown IFR ENROUTE LOW/HIGH ALTITUDE & ALASKA CHARTS46 MINIMUM ENROUTE ALTITUDE (MEA) All Altitudes Are MSL Unless Otherwise Noted MINIMUMENROUTEALTITUDE (MEA) GAPMAXIMUM AUTHORIZED ALTITUDE (MAA) All Altitudes Are MSL Unless Otherwise Noted MINIMUMOBSTRUCTION CLEARANCE ALTITUDE (MOCA) All Altitudes Are MSL Unless Otherwise Noted CHANGEOVER POINTALTITUDE CHANGEMINIMUM CROSSING ALTITUDE (MCA)MINIMUM RECEPTION ALTITUDE (MRA)HOLDING PATTERNS airspace INFORMATIONV4V43000 GRN AV/ G PS MEA350055003500350055003500A0A0J4V4 MEA is established when there is a gap in navigation signal coverageV4J45500*35005500*3500V47000GT26 6112*6300T2447400 SENEHERDIGGSGRANTV6 4000 SWV6 4000 SWCOPELSHIMYV4 AIR DEFENSEIDENTIFICATION ZONE (ADIZ)AIRROUTE TRAFFICCONTROL CENTER (ARTCC)AIR TRAFFICSERVICEIDENTIFICATION DATAALTIMETERSETTING CHANGEFLIGHT INFORMATION REGIONS (FIR)CONTROL AREAS (CTA)UPPERINFORMATION REGIONS (UIR)UPPERCONTROL AREAS (UTA)ADDITIONAL CONTROL AREAS airspace INFORMATION 47 IFR ENROUTE LOW/HIGH ALTITUDE & ALASKA CHARTS OFF ROUTEOBSTRUCTIONCLEARANCEALTITUDE(OROCA)

6 SPECIAL USE AIRSPACESPECIAL USE airspace Continued airspace INFORMATIONOROCA is computed simila rly to the M a xim u n Elevation Figure (MEF) found on Visual charts except tha t it pr o vides a n additional vertical buffer of 1,000 feet in designated non-mountainous areas and a 2,000 foot vertical buffer in designated mountainous areas within the U nited - Prohibited AreaR - Restricted AreaW - Warning AreaLow OnlyA - Alert AreaCanada OnlyCYR - Restricted AreaCYD - Danger AreaCYA - Advisory AreaCaribbean OnlyD - Danger AreaIn the Caribbean, the first 2 letters represent the country code, MY: Bahamas, MU: CubaEXCLUSION AREA AND NOTEI nternal lines delimit separation of the same Special Use Areas or Exclusion AreasSEE airspace TABULATION ON EACH Chart FOR COMPLETE INFORMATION ON:AREA IDENTIFICATIONEFFECTIVE ALTITUDEOPERATING TIMECONTROLLING AGENCY VOICE CALL CONTROLLED airspace airspace INFORMATION IFR ENROUTE LOW/HIGH ALTITUDE & ALASKA CHARTS48 CONTROLLED AIRSPACECONTROLLED AIRSPACEC anada OnlyUNCONTROLLED AIRSPACECANADIAN airspace Appropriate notes as required may be shown.

7 airspace OUTSIDE OF Other than CanadaAppropriate notes as required may be shown. airspace INFORMATION NAVIGATIONAL AND PROCEDURAL INFORMATION ISOGONIC LINE AND VALUETIME ZONEENLARGEMENT AREAMATCH MARK 49 IFR ENROUTE LOW/HIGH ALTITUDE & ALASKA CHARTS CRUISING ALTITUDES only NAVIGATIONAL AND PROCEDURAL INFORMATION NOTESMORSE CODE CULTURE BOUNDARIESCULTURE & HYDROGRAPHY International /Russia Maritime LineDate Line HYDROGRAPHY SHORELINE TOPOGRAPHY TERRAIN Area Charts NAVIGATIONAL AND PROCEDURAL INFORMATION OCEANIC ROUTE CHARTS - Aeronautical Information50 AIRPORTS AIRPORT DATALANDPLANE-CIVILR efueling and repair facilities for normal AND MILITARYR efueling and repair facilities for and repair facilities for normaltraffic. RADIO AIDS TO NAVIGATION VHF OMNIDIRECTIONAL RADIO RANGE (VOR)DISTANCE MEASURING EQUIPMENT (DME)TACTICAL AIR NAVIGATION (TACAN)NON-DIRECTIONAL RADIO BEACON (NDB)DISTANCE MEASURING EQUIPMENT (DME)IDENTIFICATION BOXOCEANIC ROUTE CHARTS airspace INFORMATION AIR TRAFFIC SER-VICE (ATS) OCEANIC ROUTESNote: Mileages are Nautical (NM)ATS SINGLE DIREC-TION ROUTEAERIAL REFUELING TRACKS AIR DEFENSE IDENTIFICATION ZONE (ADIZ)AIR ROUTE TRAFFIC CONTROL CENTER (ARTCC)FLIGHT INFORMATION REGIONS (FIR) and/or (CTA)UPPER INFORMATION REGIONS (UIR)UPPER CONTROLAREAS (UTA)OCEANIC CONTROL AREAS (OCA)and /or (CTA /FIR)ADDITIONAL OCEANIC CONTROL AREAS Note: Limits notshown when coinci-dent with Warning Areas.

8 BUFFER ZONENON-FREE FLYING ZONENORTH ATLANTIC / MINIMUM NAVIGATION PERFORMANCE SPECIFICATIONS (NAT/ mnps )REPORTING POINTSSPECIAL USE AIRSPACEW arning AreaSpecial Use12 Mile LimitUNCONTROLLED airspace airspace INFORMATION 51 OCEANIC ROUTE CHARTS - Aeronautical Information NAVIGATIONAL AND PROCEDURAL INFORMATION MILEAGE CIRCLESNote: Mileages are Nautical (NM)Time ZoneNote: All time isCoordinated Uni-versal (Standard) Time (UTC)Overlap MarksNPRC OnlyCOMPASS ROSE Note: Compass Roses oriented to Magnetic North NOTES WARNING CULTURAL BOUNDARIES INTERNATIONALMARITIME DATE LINE HYDROGRAPHY SHORELINES